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Diffstat (limited to 'drivers/ufs/host/ufs-qcom.c')
| -rw-r--r-- | drivers/ufs/host/ufs-qcom.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index e7164ce7336b..e894ac548da0 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -1382,6 +1382,10 @@ static int ufs_qcom_clk_scale_notify(struct ufs_hba *hba, struct ufs_pa_layer_attr *dev_req_params = &host->dev_req_params; int err = 0; + /* check the host controller state before sending hibern8 cmd */ + if (!ufshcd_is_hba_active(hba)) + return 0; + if (status == PRE_CHANGE) { err = ufshcd_uic_hibern8_enter(hba); if (err) |